fix

blup/output.py

@@ -354,7 +354,8 @@ class BlinkenbuntHDOutput(Output):
 
     @classmethod
     def fromRegexMatch(cls, regexMatch):
-        return cls(brightness=regexMatch.groupdict().get('brightness', 50))
+        b = int(regexMatch.groupdict().get('brightness', 50))
+        return cls(brightness=b)
 
     def sendFrame(self, frame):
         for y in range(self.h):